EP4183501A4 - LOW THERMAL EXPANSION CASTING AND METHOD FOR MANUFACTURING SAME - Google Patents

LOW THERMAL EXPANSION CASTING AND METHOD FOR MANUFACTURING SAME Download PDF

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Publication number
EP4183501A4
EP4183501A4 EP21841197.3A EP21841197A EP4183501A4 EP 4183501 A4 EP4183501 A4 EP 4183501A4 EP 21841197 A EP21841197 A EP 21841197A EP 4183501 A4 EP4183501 A4 EP 4183501A4
Authority
EP
European Patent Office
Prior art keywords
thermal expansion
low thermal
manufacturing same
expansion casting
casting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21841197.3A
Other languages
German (de)
French (fr)
Other versions
EP4183501A1 (en
Inventor
Haruyasu Ohno
Naoki Sakaguchi
Kotaro ONA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shinhokoku Material Corp
Original Assignee
Shinhokoku Material Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shinhokoku Material Corp filed Critical Shinhokoku Material Corp
Publication of EP4183501A1 publication Critical patent/EP4183501A1/en
Publication of EP4183501A4 publication Critical patent/EP4183501A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/78—Combined heat-treatments not provided for above
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/78—Combined heat-treatments not provided for above
    • C21D1/785—Thermocycling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/001—Heat treatment of ferrous alloys containing Ni
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/04—Hardening by cooling below 0 degrees Celsius
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP21841197.3A 2020-07-17 2021-07-12 LOW THERMAL EXPANSION CASTING AND METHOD FOR MANUFACTURING SAME Pending EP4183501A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020122884 2020-07-17
PCT/JP2021/026189 WO2022014544A1 (en) 2020-07-17 2021-07-12 Low thermal expansion casting and method for producing same

Publications (2)

Publication Number Publication Date
EP4183501A1 EP4183501A1 (en) 2023-05-24
EP4183501A4 true EP4183501A4 (en) 2024-08-07

Family

ID=79554849

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21841197.3A Pending EP4183501A4 (en) 2020-07-17 2021-07-12 LOW THERMAL EXPANSION CASTING AND METHOD FOR MANUFACTURING SAME

Country Status (5)

Country Link
US (1) US12421584B2 (en)
EP (1) EP4183501A4 (en)
JP (1) JP7315273B2 (en)
CN (2) CN116157217B (en)
WO (1) WO2022014544A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015136766A1 (en) * 2014-03-10 2015-09-17 日本鋳造株式会社 Low thermal expansion casting alloy and method for producing same
CN105296844A (en) * 2014-07-02 2016-02-03 新报国制铁株式会社 Casting with high rigidity and low thermal expansion and manufacture method thereof
JP2016027187A (en) * 2014-07-02 2016-02-18 新報国製鉄株式会社 High rigidity low thermal expansion casting and method for producing the same
JP2018188690A (en) * 2017-04-28 2018-11-29 新報国製鉄株式会社 Low thermal expansion alloy
EP4130299A1 (en) * 2020-03-24 2023-02-08 Shinhokoku Material Corp. Low-thermal-expansion casting and method for manufacturing same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2585014B2 (en) * 1987-08-25 1997-02-26 日本鋳造株式会社 Free-cutting high-strength low-thermal-expansion cast alloy and method for producing the same
JP2568022B2 (en) 1988-11-02 1996-12-25 株式会社東芝 Machine tools, precision measuring instruments, molding dies, semiconductor devices and electronic manufacturing equipment using low thermal expansion cast iron
JPH11279709A (en) * 1998-03-31 1999-10-12 Nippon Chuzo Kk High young modulus low thermal expansion alloy and its production
JPH11293413A (en) 1998-04-13 1999-10-26 Nippon Chuzo Kk Member of ultraprecision equipment using alloy steel excellent in thermal shape stability and rigidity
JP2010095747A (en) * 2008-10-15 2010-04-30 Nabeya Co Ltd Method for producing low thermal-expansion cast iron material
CN105039850A (en) * 2015-08-11 2015-11-11 河北钢铁股份有限公司 High-strength and low-expansion hot-rolled invar alloy
CN106673422A (en) * 2015-11-10 2017-05-17 旭硝子株式会社 Glass for air-quench tempering and air-quenched tempered glass
JP7237345B2 (en) 2019-01-30 2023-03-13 新報国マテリアル株式会社 Low thermal expansion casting and its manufacturing method
JP7251767B2 (en) 2019-01-30 2023-04-04 新報国マテリアル株式会社 Low thermal expansion casting and its manufacturing method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015136766A1 (en) * 2014-03-10 2015-09-17 日本鋳造株式会社 Low thermal expansion casting alloy and method for producing same
CN105296844A (en) * 2014-07-02 2016-02-03 新报国制铁株式会社 Casting with high rigidity and low thermal expansion and manufacture method thereof
JP2016027187A (en) * 2014-07-02 2016-02-18 新報国製鉄株式会社 High rigidity low thermal expansion casting and method for producing the same
JP2018188690A (en) * 2017-04-28 2018-11-29 新報国製鉄株式会社 Low thermal expansion alloy
EP4130299A1 (en) * 2020-03-24 2023-02-08 Shinhokoku Material Corp. Low-thermal-expansion casting and method for manufacturing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022014544A1 *

Also Published As

Publication number Publication date
WO2022014544A1 (en) 2022-01-20
US20230148368A1 (en) 2023-05-11
EP4183501A1 (en) 2023-05-24
JP7315273B2 (en) 2023-07-26
US12421584B2 (en) 2025-09-23
JPWO2022014544A1 (en) 2022-01-20
CN116157217A (en) 2023-05-23
CN116157217B (en) 2025-12-05
CN121250240A (en) 2026-01-02

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RIN1 Information on inventor provided before grant (corrected)

Inventor name: ONA, KOTARO

Inventor name: SAKAGUCHI, NAOKI

Inventor name: OHNO, HARUYASU

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